With AVG 7.5 free, Ad-Aware 2007, and Spyware Terminator as the only ones run at the present time I see the typical data miner crud either Ad-Aware or ST typically find anyways but rarely anything else.
When a spam mail was spotted for Smiley Central/Websearch crap that was an opportunity there to further test just one program's effectiveness besides the allow/deny prompting which doesn't always tell you much. Even with the best retail programs something can get by at times. This is why special removers are another thing to look for at times.